package com.atguigu.gulimall.product.exception;

import com.atguigu.gulimall.common.exception.BigCodeEnum;
import com.atguigu.gulimall.common.exception.BizException;
import com.atguigu.gulimall.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.HashMap;
import java.util.Map;

/**
 * @author: xuesm
 * @date: 2024/12/9 19:41 https://cloud.tencent.com/developer/article/2088033
 */
@Slf4j
@RestControllerAdvice(basePackages = "com.atguigu.gulimall.product.controller")
public class GulimallExceptionControllerAdvice {


    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handValidException(MethodArgumentNotValidException e){
        log.error("数据校验出现问题{}, 异常类型为{}", e.getMessage(), e.getClass());
        BindingResult bindingResult = e.getBindingResult();
        Map<String, String> errorMap = new HashMap<>();

        bindingResult.getFieldErrors().forEach((fieldError) ->{
            errorMap.put(fieldError.getField(), fieldError.getDefaultMessage());
        });
        return R.error(BigCodeEnum.VALID_EXCEPTION.getCode(), BigCodeEnum.VALID_EXCEPTION.getMsg()).put("data", errorMap);
    }

    @ExceptionHandler(value = BizException.class)
    public R handBizException(BizException e){
        log.error("系统异常{}, 异常类型为{}", e.getMessage(), e.getClass());
        String message = e.getMessage();
        int code = e.getErrorCode().getCode();
        return R.error(code, message);
    }

    @ExceptionHandler(value = Throwable.class)
    public R handleException(Throwable throwable){
        log.error("异常...", throwable);
        return R.error(BigCodeEnum.UNKNOWN_EXCEPTION.getCode(), BigCodeEnum.UNKNOWN_EXCEPTION.getMsg());
    }
}